29998670 has 64 divisors (see below), whose sum is σ = 61931520. Its totient is φ = 10378368.

The previous prime is 29998667. The next prime is 29998681. The reversal of 29998670 is 7689992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236147 + ... + 236273.

It is an arithmetic number, because the mean of its divisors is an integer number (967680).

Almost surely, 2^29998670 is an apocalyptic number.

29998670 is an abundant number, since it is smaller than the sum of its proper divisors (31932850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29998670 is a wasteful number, since it uses less digits than its factorization.

29998670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 29998670 is about 5477.1041618724. The cubic root of 29998670 is about 310.7186587284.

The spelling of 29998670 in words is "twenty-nine million, nine hundred ninety-eight thousand, six hundred seventy".